CN102085055B - Central shaft applicable to swivel chairs - Google Patents
Central shaft applicable to swivel chairs Download PDFInfo
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- CN102085055B CN102085055B CN 201010596282 CN201010596282A CN102085055B CN 102085055 B CN102085055 B CN 102085055B CN 201010596282 CN201010596282 CN 201010596282 CN 201010596282 A CN201010596282 A CN 201010596282A CN 102085055 B CN102085055 B CN 102085055B
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Abstract
The invention relates to the field of furniture and office supplies, in particular to a central shaft applicable to swivel chairs.The central shaft applicable to the swivel chairs comprises a cylinder, a guide sleeve which is in sleeve joint with the cylinder and fixed, and a core rod in sleeve joint with the guide sleeve, wherein the core rod comprises a transfer part and a mounting part, which are integrally connected, and the diameter of the end surface on the transfer part, which is connected with the mounting part, is smaller than that of the end surface on the mounting part, which is connected with the end surface; the central shaft further comprises a fixed disk fixed at one end of the cylinder, a through hole positioned at the middle part of the fixed disk and a plurality of mounting holes positioned on the periphery of the through hole are formed on the fixed disk; and the free end of the transfer part penetrates the guide sleeve, penetrates the through hole and is clamped and connected outside the fixed disk through a buckle. The pressure of a chair seat of the swivel chair adopting the central shaft is born by the fixed disk, thereby reducing the abrasion of the guide sleeve and prolonging the service life of the central shaft structure.
Description
Technical field
The present invention relates to furniture, office appliance field, particularly a kind of central shaft that is applicable to swivel chair.
Background technology
Central shaft of the prior art as shown in Figure 1, comprise cylinder 1, with the fairlead 2 of cylinder 1 socket, with the plug 3 of fairlead 2 sockets, plug 3 is provided with shirt rim 33, from Fig. 1, plug 3 is arranged in the part of shirt rim below 33 and is inserted in fairlead 2, and can in fairlead 2, rotate, thereby, obvious plug 3 is positioned at the shirt rim and partly is used for being fixedly connected with seat support more than 33, therefore, the pressure of the seat support of swivel chair of the prior art is born by fairlead 2 fully, thereby, cause fairlead 2 easy to wear, affect the service life of central shaft.
Summary of the invention
The purpose of this invention is to provide a kind of central shaft that is applicable to swivel chair, adopt the pressure of seat support of the swivel chair of this kind central shaft to be born by fixed disk, thereby reduced the wearing and tearing of fairlead, the service life of having improved center spindle structure.
Above-mentioned technical purpose of the present invention is achieved by the following technical programs: a kind of central shaft that is applicable to swivel chair comprise cylinder, with cylinder socket and fixing fairlead, with the plug of fairlead socket, described plug comprises switching part and the installation portion that one connects, and the diameter of the end face that is connected with installation portion on the switching part is less than the diameter of the end face that is connected with this end face on the installation portion; This central shaft also comprises the fixed disk that is fixed in cylinder one end, and fixed disk has the through hole that is positioned at the fixed disk middle part and is positioned at through hole a plurality of installing holes on every side; The free end of switching part passes fairlead and passes through hole and be connected in outside the fixed disk by buckle.
Installing hole is used for swivel chair base is fixedly connected with fixed disk; The installation portion of plug has tapering and is used for being fixedly connected with the swivel chair seat support; The free end of the switching part of plug passes fairlead and passes through hole and be connected in outside the fixed disk by buckle, thereby so that the pressure of swivel chair seat support is born by fixed disk, thereby background technology has reduced the wearing and tearing of fairlead relatively, has improved the service life of central shaft.
As of the present invention preferred, cover has the rolling sheet between fixed disk and installation portion on the switching part, is embedded with ball on the rolling sheet.
The setting of rolling sheet is to rotate for the plug of being more convenient for.
As of the present invention preferred, described rolling sheet both sides are respectively equipped with the pad that is placed on the switching part.
In use, mutually compress between the installation portion of fixed disk, above-mentioned two pads, rolling sheet and plug, thereby so that the pressure of swivel chair seat support born by fixed disk.
As of the present invention preferred, be provided with the pad that is placed on the switching part between described buckle and the fixed disk.
As of the present invention preferred, the free end of described switching part has draw-in groove; Described buckle comprises the card one and card two that two one connect, and has opening on the card one, has on the card two to be mushroom entrance, and card one is connected with card article with the junction of card two, and under the nature, card article extends into entrance; The free-ended end face of switching part passes opening and passes entrance and is tight against card article, and the part of card two falls within the draw-in groove.
Refer under the nature buckle not with state that switching part is connected under; The mushroom entrance is grouped into by larger abscission ring part and the less straight portion of relative size; The connection procedure of switching part and buckle is as follows: the free end with switching part sees through the abscission ring part that opening enters the mushroom entrance first, continues to the card article extruding again, and moves to the straight part of entrance, thereby the part of card two is fallen within the draw-in groove.
As of the present invention preferred, be connected for interference between described cylinder and the fairlead.
As of the present invention preferred, described fairlead comprises sleeve pipe and is located at sleeve pipe sidewall fixed strip radially; Cylinder inner wall is provided with at least one projection, and each projection is between two fixed strips.
Projection cooperates with fixed strip, so that the more difficult phenomenon that produces relative rotation with cylinder of fairlead.
In sum, the present invention has following beneficial effect: the present invention is simple in structure, and relative background technology has reduced the wearing and tearing of fairlead, the service life of having improved central shaft; And since the setting of rolling sheet, relative background technology, and plug is easier to rotate.
Description of drawings
Fig. 1 is the background technology structural representation;
Fig. 2 is the example structure schematic diagram;
Fig. 3 is A section enlarged drawing among Fig. 2;
Fig. 4 is buckle structure schematic diagram among the embodiment.
Among the figure, 1, cylinder, 11, projection, 2, fairlead, 21, sleeve pipe, 22, fixed strip, 3, plug, 31, switching part, 311, draw-in groove, 32, installation portion, 33, the shirt rim, 4, fixed disk, 41, through hole, 42, installing hole, 5, buckle, 51, card one, 511, opening, 52, card two, 521, entrance, 5211, the abscission ring part, 5212, straight part, 53, card article, 6, the rolling sheet, 61, ball, 7, pad.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
This specific embodiment only is explanation of the invention; it is not limitation of the present invention; those skilled in the art can make the modification that does not have creative contribution to present embodiment as required after reading this specification, but as long as all are subject to the protection of Patent Law in claim scope of the present invention.
Shown in Fig. 2 to 4, a kind of central shaft that is applicable to swivel chair, the plug 3 that comprises cylinder 1, the fairlead 2 that is connected with cylinder 1 socket and interference, is socketed with fairlead 2, the fixed disk 4 that is fixed in cylinder 1 one ends.
Fairlead 2 comprises sleeve pipe 21 and is located at sleeve pipe 21 sidewalls fixed strip 22 radially; Be the phenomenon that further prevents from producing relative rotation between fairlead 2 and the cylinder 1, cylinder 1 inwall is provided with two pairs of projections 11, and every pair is comprised of two projections 11, only demonstrates a pair ofly among the figure, and each projection 11 is between two fixed strips 22.
Described plug 3 comprises switching part 31 and the installation portion 32 that one connects, and installation portion 32 has tapering and is used for being fixedly connected with the swivel chair seat support; The diameter of the end face that is connected with installation portion 32 on the switching part 31 is less than the diameter of the end face that is connected with this end face on the installation portion 32; Fixed disk 4 has the through hole 41 that is positioned at fixed disk 4 middle parts and is positioned at through hole 41 a plurality of installing holes 42 on every side; The free end of switching part 31 passes fairlead 2 and passes through hole 41 and be connected in outside the fixed disk 4 by buckle 5, is provided with the pad 7 that is placed on the switching part 31 between fixed disk 4 and the buckle 5; Rotate for ease of plug 3, cover has the rolling sheet 6 between fixed disk 4 and installation portion 32 on the switching part 31, is embedded with ball 61 on the rolling sheet 6, referring to Fig. 3; Rolling sheet 6 both sides are respectively equipped with the pad 7 that is placed on the switching part 31; In the use procedure of present embodiment, mutually compress between the installation portion 32 of fixed disk 4, two pads 7, rolling sheet 6 and plugs 3.
The free end of switching part 31 has draw-in groove 311, referring to Fig. 3; Described buckle 5 comprises the card 1 and card 2 52 that two one connect, have opening 511 on the card 1, have on the card 2 52 and be mushroom entrance 521, be mushroom entrance 521 and formed by larger abscission ring part 5211 and the less straight part 5212 of relative size; Card 1 is connected with card article 53 with the junction of card 2 52, and under the nature, card article 53 extends into entrance 521; The free-ended end face of switching part 31 passes opening 511 and passes entrance 521 and is tight against card article 53, and the part of card 2 52 falls within the draw-in groove 311; Refer under the nature buckle not with state that switching part is connected under; Switching part 31 is as follows with the connection procedure of buckle 5: the free end with switching part 31 sees through the abscission ring part 5211 that opening 511 enters mushroom entrance 521 first, continue again to card article 53 extruding, and move to the straight part 5212 of entrance 521, thereby the part of card 2 52 is fallen within the draw-in groove 311.
Claims (7)
1. central shaft that is applicable to swivel chair, comprise cylinder (1), with cylinder (1) socket and fixing fairlead (2), with the plug (3) of fairlead (2) socket, described plug (3) comprises switching part (31) and the installation portion (32) that one connects, it is characterized in that the diameter of the upper end face that is connected with installation portion (32) of switching part (31) is less than the diameter of the upper end face that is connected with this end face of installation portion (32); This central shaft also comprises the fixed disk (4) that is fixed in cylinder (1) one end, and fixed disk (4) has the through hole (41) that is positioned at fixed disk (4) middle part and is positioned at through hole (41) a plurality of installing holes (42) on every side; The free end of switching part (31) passes fairlead (2) and passes through hole (41) and be connected in outside the fixed disk (4) by buckle (5), thereby so that the pressure of swivel chair seat support born by fixed disk (4).
2. a kind of central shaft that is applicable to swivel chair according to claim 1 is characterized in that, the upper cover of described switching part (31) has the rolling sheet (6) that is positioned between fixed disk (4) and the installation portion (32); Be embedded with ball (61) on the rolling sheet (6).
3. a kind of central shaft that is applicable to swivel chair according to claim 2 is characterized in that, described rolling sheet (6) both sides are respectively equipped with the pad (7) that is placed on the switching part (31).
4. a kind of central shaft that is applicable to swivel chair according to claim 2 is characterized in that, is provided with the pad (7) that is placed on the switching part (31) between described buckle (5) and the fixed disk (4).
5. according to claim 2 or 3 or 4 described a kind of central shafts that are applicable to swivel chair, it is characterized in that the free end of described switching part (31) has draw-in groove (311); Described buckle (5) comprises the card one (51) and card two (52) that two one connect, have opening (511) on the card one (51), have entrance (521) on the card two (52), described entrance (521) is grouped into by larger abscission ring part and the less straight portion of relative size; Card one (51) is connected with card article (53) with the junction of card two (52), and under the nature, card article (53) extends into entrance (521); The free-ended end face of switching part (31) passes opening (511) and passes entrance (521) and is tight against card article (53), and the part of card two (52) falls within the draw-in groove (311).
6. a kind of central shaft that is applicable to swivel chair according to claim 1 is characterized in that, is connected for interference between described cylinder (1) and the fairlead (2).
7. according to claim 1 or 6 described a kind of central shafts that are applicable to swivel chair, it is characterized in that described fairlead (2) comprises sleeve pipe (21) and is located at sleeve pipe (21) sidewall fixed strip (22) radially; Cylinder (1) inwall is provided with at least one projection (11), and each projection (11) is positioned between two fixed strips (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010596282 CN102085055B (en) | 2010-12-20 | 2010-12-20 | Central shaft applicable to swivel chairs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010596282 CN102085055B (en) | 2010-12-20 | 2010-12-20 | Central shaft applicable to swivel chairs |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102085055A CN102085055A (en) | 2011-06-08 |
| CN102085055B true CN102085055B (en) | 2013-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010596282 Active CN102085055B (en) | 2010-12-20 | 2010-12-20 | Central shaft applicable to swivel chairs |
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| Country | Link |
|---|---|
| CN (1) | CN102085055B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2123226U (en) * | 1992-03-25 | 1992-12-02 | 王雄 | Multi-function health-care revolving chair |
| CN2753222Y (en) * | 2004-06-12 | 2006-01-25 | 祝卫国 | Five-wheel rotatable chair |
| CN201067207Y (en) * | 2007-07-20 | 2008-06-04 | 王福忠 | Body-building rotary chair |
| CN201557747U (en) * | 2009-11-27 | 2010-08-25 | 上海雅风企业发展有限公司 | Rotary bracket for desk/chair |
| CN201995977U (en) * | 2010-12-20 | 2011-10-05 | 安吉斯诺尔精密器械有限公司 | Central shaft suitable for rotary chair |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2859205Y (en) * | 2005-07-29 | 2007-01-17 | 广东雪莱特光电科技股份有限公司 | Vehicle-mounted two-arc pipe integrated xenon metal halogen lamp tube |
-
2010
- 2010-12-20 CN CN 201010596282 patent/CN102085055B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2123226U (en) * | 1992-03-25 | 1992-12-02 | 王雄 | Multi-function health-care revolving chair |
| CN2753222Y (en) * | 2004-06-12 | 2006-01-25 | 祝卫国 | Five-wheel rotatable chair |
| CN201067207Y (en) * | 2007-07-20 | 2008-06-04 | 王福忠 | Body-building rotary chair |
| CN201557747U (en) * | 2009-11-27 | 2010-08-25 | 上海雅风企业发展有限公司 | Rotary bracket for desk/chair |
| CN201995977U (en) * | 2010-12-20 | 2011-10-05 | 安吉斯诺尔精密器械有限公司 | Central shaft suitable for rotary chair |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102085055A (en) | 2011-06-08 |
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Denomination of invention: Central shaft applicable to swivel chairs Effective date of registration: 20190314 Granted publication date: 20130327 Pledgee: Changshuo Branch of Zhejiang Anji Rural Commercial Bank Co., Ltd. Pledgor: Anji Sinuoer Precision Machinery Co., Ltd. Registration number: 2019330000074 |